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  2. Roman timekeeping - Wikipedia

    en.wikipedia.org/wiki/Roman_timekeeping

    A Roman era sundial on display at a museum in Side, Turkey The Romans used various ancient timekeeping devices . According to Pliny , Sundials , or shadow clocks, were first introduced to Rome when a Greek sundial captured from the Samnites was set up publicly around 293-290 BC., [ 2 ] with another early known example being imported from Sicily ...

  3. History of timekeeping devices - Wikipedia

    en.wikipedia.org/wiki/History_of_timekeeping_devices

    Devices and methods for keeping time have gradually improved through a series of new inventions, starting with measuring time by continuous processes, such as the flow of liquid in water clocks, to mechanical clocks, and eventually repetitive, oscillatory processes, such as the swing of pendulums. Oscillating timekeepers are used in modern ...

  4. Timeline of time measurement inventions - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_time...

    This timeline of time measurement inventions is a chronological list of particularly important or significant technological inventions relating to timekeeping devices and their inventors, where known. Note: Dates for inventions are often controversial. Sometimes inventions are invented by several inventors around the same time, or may be ...

  5. Category:History of timekeeping - Wikipedia

    en.wikipedia.org/.../Category:History_of_timekeeping

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  6. Italian six-hour clock - Wikipedia

    en.wikipedia.org/wiki/Italian_six-hour_clock

    Six-hour clock at the Quirinal Palace, Rome. The six-hour clock (Italian: sistema orario a sei ore), also called the Roman (alla romana) or the Italian (all'italiana) system, is a system of date and time notation in Italy which was invented before the modern 24-hour clock.

  7. Hourglass - Wikipedia

    en.wikipedia.org/wiki/Hourglass

    An hourglass (or sandglass, sand timer, or sand clock) is a device used to measure the passage of time. It comprises two glass bulbs connected vertically by a narrow neck that allows a regulated flow of a substance (historically sand ) from the upper bulb to the lower one due to gravity .

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  9. Pendulum clock - Wikipedia

    en.wikipedia.org/wiki/Pendulum_clock

    The pendulum, a weight on a rod, which is the timekeeping element of the clock. An indicator or dial that records how often the escapement has rotated and therefore how much time has passed, usually a traditional clock face with rotating hands. Additional functions in clocks besides basic timekeeping are called complications. More elaborate ...

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